We have a vanilla Minecraft 1.20.1 server running the most recent version of Terralith. My friend accidentally added Terralith to the server instead of his private world and before we realized we generated Terralith chunks. How can we delete these chunks and run the server? Right now, if we delete Terralith from the datapacks folder, we get a series of errors that prevent the server from running. Attached is the log file.
#Removing Terralith Without Deleting the Overworld
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Removing Worldgen Packs
You cannot simply remove a worldgen pack from your world. The way to do so involves completely resetting your dimension, so we do not recommend it unless you have a good reason. In order to do so, you must follow these three steps:
1. Ensure your world/server is stopped, and remove the worldgen datapack.
2. You must completely reset the dimension that the worldgen pack was affecting. For the nether and end, this is done by deleting the world/DIM-1 and world/DIM1 folders in Vanilla/Fabric/Forge, and world_nether and world_the_end folders in Spigot/Paper, respectively. It's more tricky for the overworld - either just reset everything, or ask for further help.
3. You must remove all biome entries from your level.dat. If you do not know how to do this, send your level.dat and ask for assistance. There will be tools for this later.
disregard step 2
Did this already — same error
since you said you generated a couple of terralith chunks - instead of step 2, use a tool such as mcaselector to remove those chunks individually
Using MCAselecter, we removed the few generated chunks. However, we get the same error
send your level.dat file
alright
We're new to NBT editing and stuff, so it's definitely possible we made a mistake
make your own post please